# Name Function
1 Touch display Graphical display and touch-sensitive user in-
terface
2 Battery status display (LED) Multi-color LED indicates the battery status
when the display is switched off.
3 Sensor for ambient light Automatic adjustment of the display bright-
ness to the ambient light.
4 ENTER key Operating key to start the measurement
5 Charge socket Connection for power adapter.
6 Analog In Connection for sensor.
7 ON/OFF button Operating key to switch the measuring
device ON and OFF; activating /deactivating
sleep mode.
8 RFID reader module Non-contact readout of RFID transponders.
9 Micro USB Interface for data communication
10 Stroboscope Flashlight source to verify the determined ro-
tational speed.